Re: yank-media: allow users to limit image types that can be inserted

[Eli Zaretskii]

> From: Visuwesh <visuweshm@gmail.com>
> Cc: pinmacs <pinmacs@cas.cat>,  rpluim@gmail.com,  emacs-devel@gnu.org
> Date: Tue, 24 Sep 2024 10:38:53 +0530
> 
> > What I still do not understand is what would be the reason for the
> > user to prefer JPEG over PNG.  More generally, if Emacs can support N
> > formats out of those available in the clipboard, why would the user
> > want to be shown only 1 < M < N out of them?
> 
> [ The more I think about this, the more I believe the choice of
>   "preferred formats" will change depending on the scenario where
>   yank-media is used.  In Org, I could see "don't bother asking me, just
>   use PNG if available" could be useful.  But somewhere in HTML mode,
>   "always ask me" could be the right choice.  ]

Which is why I suggested two separate commands: one where the user
says he/she wants the most appropriate type, the other to allow
selection.

> > Bottom line: I'm okay with offering two yank-media alternatives:
> >
> > (1) via a command that selects a single most appropriate format based
> > on some (yet to be defined) algorithm; and
> 
> What about a user option yank-media-preferred-mimetypes which is a list
> of mimetypes that the user would like to always opt for, given the
> choice?

That was proposed earlier in this thread, and I responded: I'm not
sure I understand when and why would this option be needed _as_ a user
option.

> > (2) via showing the list of all the formats that the running Emacs
> > supports and asking the user to choose one.
> 
> This is what we already have so nothing to be changed.

Right.